[Event "WchT U26 15th fin-A"] [Site "Ybbs"] [Date "1968.07.19"] [Round "3"] [White "Gudmundur Sigurjonsson"] [Black "Vladimir Borisovich Tukmakov"] [Result "1/2-1/2"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.f4 Bb7 9.f5 e5 10.Nde2 Nbd7 11.Bg5 Be7 12.Ng3 h5 13.h4 b4 14.Nd5 Nxd5 15.Bxd5 Bxg5 16.hxg5 Qxg5 17.Bxb7 Qxg3+ 18.Kf1 Qf4+ 19.Qf3 Ra7 20.Bd5 Rc7 21.Bb3 Nf6 22.Qxf4 exf4 23.Rh4 Ng4 24.a3 Ke7 25.axb4 Ne3+ 26.Kg1 Nxc2 27.Bxc2 Rxc2 28.Rxf4 Rxb2 29.Rxa6 Rb8 30.Ra3 R8xb4 31.f6+ gxf6 32.Raf3 Re2 33.Rxf6 Rbxe4 34.Rxf7+ Ke6 35.R7f6+ Kd7 36.Rh6 Rg4 37.Rxh5 Rexg2+ 38.Kf1 Rc2 39.Rf2 Rc1+ 40.Ke2 Rc2+ 41.Kf3 Rcc4 42.Rd2 Rg6 43.Rhd5 Re6 44.R2d4 Rc8 45.Rf5 Rc1 46.Kf2 Kc6 47.Rf8 Rc5 48.Rc8+ Kb7 49.Rf8 Kc7 50.Rd2 Rh6 51.Ke2 d5 52.Ke3 Rh4 53.Rd4 Rh3+ 54.Kd2 Ra5 55.Kc2 Ra2+ 56.Kb1 Re2 57.Rf1 Kd6 58.Rfd1 Rb3+ 59.Kc1 Rc3+ 60.Kb1 Rc5 61.R1d2 Re8 62.Rc2 Re1+ 63.Kb2 Rb5+ 64.Kc3 Ke5 65.Rh4 Ra5 66.Rh5+ Kd6 67.Rh8 Rc5+ 68.Kd3 Re6 69.Rch2 {#d} 1/2-1/2